RCA female to 2 RCA male adapter allows interconnection between one RCA device and two others, increasing the versatility and utility of your RCA devices. It is the perfect solution for adapting your audio connections to meet your application needs. Y Adapters allow you to split a signal or adapt from one connection to another. RCA Mono Female to 2 RCA Male Splitter Adapter: Split Your RCA Mono Signal to Two Devices. The RCA Mono Female to 2 RCA Male Splitter Adapter is the perfect solution for splitting your RCA mono signal to two devices. This adapter is easy to use and requires no additional drivers or software. Simply plug the RCA female connector into your source device and the two RCA male connectors into your two output devices. This adapter is compatible with a wide range of devices, including speakers, subwoofers, home theater systems, DJ equipment, and portable audio players.